APERA INSTRUMENTS, LLC

Carbon dioxide feeders for treating water by automatically injecting a predetermined concentration of carbonic acid solution for pH control; Conductive silicone packing for electro-magnetic interference; Digital pH meters; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Instruments for measuring milk quality parameters; Measuring apparatus, namely, clamp meters for measuring electricity; pH meters; Pressure test connectors for testing pressure of fluids in hydraulic or pneumatic systems; Scientific instrumentation for measuring weight and chemical levels in water; Scientific measuring instruments, namely, conductivity meters; Water meters

Scientific measuring instruments for water analysis, namely, pH meters, conductivity meters, electronic meters for measuring TDS or total dissolved solids, electronic meters for measuring salinity levels, electronic meters for monitoring dissolved oxygen, electronic meters for measuring chlorine levels, ISE or electronic ion-selective electrode meters for monitoring dissolved ions, electronic meters for measuring turbidity, electronic meters for measuring ORP or oxidation reduction potential, and non-medical thermometers, all for laboratory, environmental, and industrial scientific water analysis